{"id":12729,"date":"2021-01-05T00:19:08","date_gmt":"2021-01-05T00:19:08","guid":{"rendered":"https:\/\/jhuesa.com\/tecnologias\/tratamiento-de-fangos"},"modified":"2021-04-30T09:22:53","modified_gmt":"2021-04-30T09:22:53","slug":"sludge-treatment","status":"publish","type":"page","link":"https:\/\/jhuesa.com\/en\/technologies\/sludge-treatment","title":{"rendered":"Sludge treatment"},"content":{"rendered":"[vc_row type=&#8221;full_width_background&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#0971ce&#8221; scene_position=&#8221;center&#8221; top_padding=&#8221;7%&#8221; bottom_padding=&#8221;3%&#8221; text_color=&#8221;light&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; id=&#8221;culture&#8221; enable_gradient=&#8221;true&#8221; color_overlay=&#8221;#0a0a0a&#8221; color_overlay_2=&#8221;rgba(10,10,10,0.8)&#8221; overlay_strength=&#8221;0.5&#8243; gradient_direction=&#8221;top_to_bottom&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;zoom-out-slow&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;top&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][divider line_type=&#8221;No Line&#8221; custom_height=&#8221;100&#8243; custom_height_phone=&#8221;10&#8243;][vc_custom_heading text=&#8221;Technologies&#8221; font_container=&#8221;tag:p|font_size:20|text_align:right|color:%2379a7ce&#8221; use_theme_fonts=&#8221;yes&#8221; css=&#8221;.vc_custom_1615401596637{margin-bottom: -20px !important;}&#8221;][vc_custom_heading text=&#8221;SLUDGE TREATMENT&#8221; font_container=&#8221;tag:h1|font_size:34|text_align:right|color:%23ffffff&#8221; use_theme_fonts=&#8221;yes&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;full_width_background&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;50px&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#ffffff&#8221; scene_position=&#8221;center&#8221; constrain_group_1=&#8221;yes&#8221; top_padding_tablet=&#8221;8%&#8221; bottom_padding_tablet=&#8221;8%&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; id=&#8221;home&#8221; overlay_strength=&#8221;0.5&#8243; gradient_direction=&#8221;top_to_bottom&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; shape_type=&#8221;straight_section&#8221;][vc_column column_padding=&#8221;padding-2-percent&#8221; column_padding_tablet=&#8221;no-extra-padding&#8221; column_padding_phone=&#8221;no-extra-padding&#8221; column_padding_position=&#8221;right&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; zindex=&#8221;100&#8243; gradient_direction=&#8221;left_t_to_right_b&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;2\/3&#8243; tablet_width_inherit=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221; offset=&#8221;vc_col-xs-12&#8243;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; min_width=&#8221;47vh&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; enable_border_animation=&#8221;true&#8221; bg_image_animation=&#8221;none&#8221; enable_animation=&#8221;true&#8221; animation=&#8221;fade-in-from-bottom&#8221;][vc_column_text css_animation=&#8221;fadeInDownBig&#8221;]Different water treatments produce a series of wastes that can be solid (which are incinerated or brought to landfills) or sludge, which can have a liquid or semi-solid consistency.<\/p>\n<p>The composition of the sludge depends on the nature of the initial water contamination, the treatment to which the water has been subjected, and its hydrophilic colloidal matter content.<\/p>\n<p>Sludge management aims to reduce sludge volume in order to minimize operating costs.<\/p>\n<p>Types of sludge treatment:[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner column_margin=&#8221;70px&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; top_padding=&#8221;25&#8243; bottom_padding=&#8221;15&#8243; text_align=&#8221;left&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; top_margin=&#8221;-30&#8243; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;small_desktop&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221; enable_animation=&#8221;true&#8221; animation=&#8221;fade-in-from-bottom&#8221;]<div class=\"nectar-fancy-ul\" data-list-icon=\"steadysets-icon-arrow-right\" data-animation=\"true\" data-animation-delay=\"600\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li>Mechanical dewatering:\n<ul>\n<li><em>Filter press<\/em><\/li>\n<li><em>Centrifugation<\/em><\/li>\n<li><em>Dewatering screw press<\/em><\/li>\n<li><em>Filter cloths<\/em><\/li>\n<li><em>Thickening<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n <\/div><div class=\"nectar-fancy-ul\" data-list-icon=\"steadysets-icon-arrow-right\" data-animation=\"true\" data-animation-delay=\"600\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li>Thermal dewatering:\n<ul>\n<li><em>Low temperature<\/em><\/li>\n<li><em>High temperature<\/em><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n <\/div>[\/vc_column_inner][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][vc_column_text css_animation=&#8221;fadeInDownBig&#8221;]Prior characterization of the sludge is essential to in order to determine what type of treatment should be developed.[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.5&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221; offset=&#8221;vc_col-xs-12&#8243;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; min_width_desktop=&#8221;43vw&#8221; min_width_tablet=&#8221;50vw&#8221; min_width_phone=&#8221;50vw&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; background_image=&#8221;6805&#8243; background_image_position=&#8221;center center&#8221; enable_bg_scale=&#8221;true&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.5&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;ro-reveal-from-right&#8221;][divider line_type=&#8221;No Line&#8221; custom_height=&#8221;90vh&#8221; custom_height_tablet=&#8221;40vh&#8221; custom_height_phone=&#8221;300px&#8221;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=&#8221;full_width_background&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_color=&#8221;#114984&#8243; scene_position=&#8221;center&#8221; top_padding=&#8221;4%&#8221; bottom_padding=&#8221;1%&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overlay_strength=&#8221;1&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221; enable_animation=&#8221;true&#8221; animation=&#8221;fade-in-from-bottom&#8221;][vc_row_inner column_margin=&#8221;90px&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221;][vc_column_inner column_padding=&#8221;padding-3-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;top-bottom&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/2&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221; enable_animation=&#8221;true&#8221; animation=&#8221;fade-in-from-bottom&#8221;]<div class=\"iwithtext\"><div class=\"iwt-icon\"> <i class=\"icon-default-style fa fa-cog accent-color\"><\/i> <\/div><div class=\"iwt-text\"> \n<h3><span style=\"color: #ffffff;\">APPLICATIONS<\/span><\/h3>\n <\/div><div class=\"clear\"><\/div><\/div>[divider line_type=&#8221;Full Width Line&#8221; line_thickness=&#8221;1&#8243; divider_color=&#8221;extra-color-2&#8243; animate=&#8221;yes&#8221; custom_height=&#8221;40&#8243;][vc_column_text css_animation=&#8221;fadeInRight&#8221; css=&#8221;.vc_custom_1615410226268{padding-right: 10% !important;}&#8221;]<span style=\"color: #ffffff;\">For the treatment of sludge originating from:<\/span>[\/vc_column_text]<div class=\"nectar-fancy-ul\" data-list-icon=\"fa fa-check\" data-animation=\"true\" data-animation-delay=\"300\" data-color=\"extra-color-1\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li><span style=\"color: #ffffff;\">Primary and secondary wastewater treatment<\/span><\/li>\n<li><span style=\"color: #ffffff;\">Drinking water treatment plants (DWTP)<\/span><\/li>\n<li><span style=\"color: #ffffff;\">Treatment of mechanically dewatered sludge<\/span><\/li>\n<\/ul>\n <\/div>[\/vc_column_inner][vc_column_inner column_padding=&#8221;padding-3-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;top-bottom&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/2&#8243; tablet_width_inherit=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221; enable_animation=&#8221;true&#8221; animation=&#8221;fade-in-from-bottom&#8221; delay=&#8221;100&#8243;]<div class=\"iwithtext\"><div class=\"iwt-icon\"> <i class=\"icon-default-style fa fa-star-o accent-color\"><\/i> <\/div><div class=\"iwt-text\"> \n<h3><span style=\"color: #ffffff;\">ADVANTAGES<\/span><\/h3>\n <\/div><div class=\"clear\"><\/div><\/div>[divider line_type=&#8221;Full Width Line&#8221; line_thickness=&#8221;1&#8243; divider_color=&#8221;extra-color-2&#8243; animate=&#8221;yes&#8221; custom_height=&#8221;40&#8243;]<div class=\"nectar-fancy-ul\" data-list-icon=\"fa fa-check\" data-animation=\"true\" data-animation-delay=\"300\" data-color=\"extra-color-1\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li><span style=\"color: #ffffff;\">Reduction of environmental impact by minimizing waste production and reusing waste to obtain biogas<\/span><\/li>\n<li><span style=\"color: #ffffff;\">Reduction of operating costs<\/span><\/li>\n<\/ul>\n <\/div>[\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;][vc_gallery type=&#8221;flickity_static_height_style&#8221; images=&#8221;6806,6807,6808,6805&#8243; flickity_spacing=&#8221;default&#8221; flickity_controls=&#8221;pagination&#8221; flickity_overflow=&#8221;hidden&#8221; flickity_wrap_around=&#8221;wrap&#8221; flickity_autoplay=&#8221;true&#8221; flickity_box_shadow=&#8221;none&#8221; image_loading=&#8221;default&#8221; onclick=&#8221;link_image&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;full_width_content&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overlay_strength=&#8221;0.5&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;fade-in&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;padding-5-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; background_color=&#8221;#ffffff&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; enable_gradient=&#8221;true&#8221; color_overlay=&#8221;#ffffff&#8221; color_overlay_2=&#8221;#efefef&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.5&#8243; width=&#8221;1\/2&#8243; tablet_width_inherit=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; bg_image_animation=&#8221;none&#8221;]<div class=\"iwithtext\"><div class=\"iwt-icon\"> <i class=\"icon-default-style linecon-icon-settings accent-color\"><\/i> <\/div><div class=\"iwt-text\"> \n<h3><span style=\"color: #0070cd;\">OPERATION<\/span><\/h3>\n <\/div><div class=\"clear\"><\/div><\/div>[vc_column_text css_animation=&#8221;fadeInRightBig&#8221;]Sludge treatment involves 4 distinct stages:[\/vc_column_text]<div class=\"nectar-fancy-ul\" data-list-icon=\"fa fa-check\" data-animation=\"true\" data-animation-delay=\"300\" data-color=\"extra-color-1\" data-spacing=\"default\" data-alignment=\"left\"> \n<ul>\n<li>Thickening: mechanism by which the volume occupied by the sludge is reduced.<br \/>\nThis can occur using gravity, flotation, and dewatering.<\/li>\n<li>Stabilization: sludge contains a series of microorganisms that cause fermentation.<br \/>\nTo avoid fermentation and the problems it generates, the sludge must be stabilized.<br \/>\nDepending on the origin and organic matter content of the sludge, this can be done using chemicals or through aerobic or anaerobic digestion, on a case-by-case basis.<\/li>\n<li>Conditioning with the objective of eliminating moisture from the sludge, in which chemical treatments are usually applied.<\/li>\n<li>Dewatering, an operation by which most of the sludge\u2019s water content is separated.<br \/>\nThere are several dewatering systems that all share one thing in common, which is that the separated water must be reintroduced into the purification system.<\/li>\n<li>Thermal dewatering: In cases where a large amount of sludge is generated even after mechanical dewatering, thermal treatments can be considered to reduce sludge, thus lowering operating costs associated with management and environmental impact.<\/li>\n<\/ul>\n <\/div>[\/vc_column][vc_column column_padding=&#8221;no-extra-padding&#8221; 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